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(11)

EP 4 551 935 A1

(12)

(43) Date of publication: 14.05.2025 Bulletin 2025/20 (21) Application number: 23834335.4 (22) Date of filing: 04.07.2023

(51) International Patent Classification (IPC):  G01N 27/30(2006.01) C25B 11/00(2021.01) A61B 5/263(2021.01) C25D 17/10(2006.01) (52) Cooperative Patent Classification (CPC): C25D 17/10; G01N 27/301 (86) International application number: PCT/CA2023/050906 (87) International publication number: WO 2024/007076 (11.01.2024 Gazette 2024/02)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 05.07.2022 US 202263358300 P (71) Applicant: The Royal Institution for the Advancement of Learning / McGill University Montreal, Quebec H3A 0G4 (CA)	(72) Inventors: TRAN, Ngoc Anh Minh Montréal, Québec H2T 2B2 (CA) CAPILLI, Gabriele Montréal, Québec H2X 3A2 (CA) SZKOPEK, Thomas Québec H2V 3S3 (CA) (74) Representative: Hoyng Rokh Monegier B.V.  Rembrandt Tower, 30th Floor Amstelplein 1 1096 HA Amsterdam 1096 HA Amsterdam (NL)